Enable all RampUpTest.UpDownUp* tests

With issue 2987 fixed, all these tests can be enabled without problems.

BUG=3010
R=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/9889004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5693 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed